How To Disable and Enable USBPort.

Make sure you have admin
rights.

hi here is the simply way to
block USB port try this,..................

To disable the access to USB port,
in windows XP and 2000:
1. Click Start, and then click Run.
2. In the Open box, type regedit,
and then click OK.
3. Locate, and then click the
following registry key:
HKEY_LOCAL_MACHINE\SYSTEM
\CurrentControlSet\Servic es
\UsbStor
4. In the right pane, double-click
Start.
5. In the Value data box, type 4,
click Hexadecimal (if it is not
already selected), and then click
OK.
6. Quit Registry Editor.

To re-enable a disabled port:
1. Click Start, and then click Run.
2. In the Open box, type regedit,
and then click OK.
3. Locate, and then click the
following registry key:
HKEY_LOCAL_MACHINE\SYSTEM
\CurrentControlSet\Servic es
\UsbStor
4. In the right pane, double-click
Start.
5. In the Value data box, type 3,
click Hexadecimal (if it is not
already selected), and then click
OK.
6. Quit Registry Editor.
__________________